function style_html(html_source, indent_size, indent_character, max_char) {
//	Wrapper function to invoke all the necessary constructors and deal with the output.

	var Parser, multi_parser;

	function Parser() {

		this.pos = 0; //Parser position
		this.token = '';
		this.current_mode = 'CONTENT'; //reflects the current Parser mode: TAG/CONTENT
		this.tags = { //An object to hold tags, their position, and their parent-tags, initiated with default values
				parent: 'parent1',
				parentcount: 1,
				parent1: ''
		};
		this.tag_type = '';
		this.token_text = this.last_token = this.last_text = this.token_type = '';


		this.Utils = { //Uilities made available to the various functions
				whitespace: "\n\r\t ".split(''),
				single_token: 'br,input,link,meta,!doctype,basefont,base,area,hr,wbr,param,img,isindex,?xml,embed'.split(','), //all the single tags for HTML
				extra_liners: 'head,body,/html'.split(','), //for tags that need a line of whitespace before them
				in_array: function (what, arr) {
					for (var i=0; i<arr.length; i++) {
						if (what === arr[i]) {
							return true;
						}
					}
					return false;
				}
		}

		this.get_content = function () { //function to capture regular content between tags

			var char = '';
			var content = [];
			var space = false; //if a space is needed
			while (this.input.charAt(this.pos) !== '<') {
				if (this.pos >= this.input.length) {
					return content.length?content.join(''):['', 'TK_EOF'];
				}

				char = this.input.charAt(this.pos);
				this.pos++;
				this.line_char_count++;


				if (this.Utils.in_array(char, this.Utils.whitespace)) {
					if (content.length) {
						space = true;
					}
					this.line_char_count--;
					continue; //don't want to insert unnecessary space
				}
				else if (space) {
					if (this.line_char_count >= this.max_char) { //insert a line when the max_char is reached
						content.push('\n');
						for (var i=0; i<this.indent_level; i++) {
							content.push(this.indent_string);
						}
						this.line_char_count = 0;
					}
					else{
						content.push(' ');
						this.line_char_count++;
					}
					space = false;
				}
				content.push(char); //letter at-a-time (or string) inserted to an array
			}
			return content.length?content.join(''):'';
		}

		this.get_script = function () { //get the full content of a script to pass to js_beautify

			var char = '';
			var content = [];
			var reg_match = new RegExp('\<\/script' + '\>', 'igm');
			reg_match.lastIndex = this.pos;
			var reg_array = reg_match.exec(this.input);
			var end_script = reg_array?reg_array.index:this.input.length; //absolute end of script
			while(this.pos < end_script) { //get everything in between the script tags
				if (this.pos >= this.input.length) {
					return content.length?content.join(''):['', 'TK_EOF'];
				}

				char = this.input.charAt(this.pos);
				this.pos++;


				content.push(char);
			}
			return content.length?content.join(''):''; //we might not have any content at all
		}

		this.record_tag = function (tag){ //function to record a tag and its parent in this.tags Object
			if (this.tags[tag + 'count']) { //check for the existence of this tag type
				this.tags[tag + 'count']++;
				this.tags[tag + this.tags[tag + 'count']] = this.indent_level; //and record the present indent level
			}
			else { //otherwise initialize this tag type
				this.tags[tag + 'count'] = 1;
				this.tags[tag + this.tags[tag + 'count']] = this.indent_level; //and record the present indent level
			}
			this.tags[tag + this.tags[tag + 'count'] + 'parent'] = this.tags.parent; //set the parent (i.e. in the case of a div this.tags.div1parent)
			this.tags.parent = tag + this.tags[tag + 'count']; //and make this the current parent (i.e. in the case of a div 'div1')
		}

		this.retrieve_tag = function (tag) { //function to retrieve the opening tag to the corresponding closer
			if (this.tags[tag + 'count']) { //if the openener is not in the Object we ignore it
				var temp_parent = this.tags.parent; //check to see if it's a closable tag.
				while (temp_parent) { //till we reach '' (the initial value);
					if (tag + this.tags[tag + 'count'] === temp_parent) { //if this is it use it
						break;
					}
					temp_parent = this.tags[temp_parent + 'parent']; //otherwise keep on climbing up the DOM Tree
				}
				if (temp_parent) { //if we caught something
					this.indent_level = this.tags[tag + this.tags[tag + 'count']]; //set the indent_level accordingly
					this.tags.parent = this.tags[temp_parent + 'parent']; //and set the current parent
				}
				delete this.tags[tag + this.tags[tag + 'count'] + 'parent']; //delete the closed tags parent reference...
				delete this.tags[tag + this.tags[tag + 'count']]; //...and the tag itself
				if (this.tags[tag + 'count'] == 1) {
					delete this.tags[tag + 'count'];
				}
				else {
					this.tags[tag + 'count']--;
				}
			}
		}

		this.get_tag = function () { //function to get a full tag and parse its type
			var char = '';
			var content = [];
			var space = false;

			do {
				if (this.pos >= this.input.length) {
					return content.length?content.join(''):['', 'TK_EOF'];
				}

				char = this.input.charAt(this.pos);
				this.pos++;
				this.line_char_count++;

				if (this.Utils.in_array(char, this.Utils.whitespace)) { //don't want to insert unnecessary space
					space = true;
					this.line_char_count--;
					continue;
				}

				if (char === "'" || char === '"') {
					if (!content[1] || content[1] !== '!') { //if we're in a comment strings don't get treated specially
						char += this.get_unformatted(char);
						space = true;
					}
				}

				if (char === '=') { //no space before =
					space = false;
				}

				if (content.length && content[content.length-1] !== '=' && char !== '>'
					&& space) { //no space after = or before >
					if (this.line_char_count >= this.max_char) {
						this.print_newline(false, content);
						this.line_char_count = 0;
					}
					else {
						content.push(' ');
						this.line_char_count++;
					}
					space = false;
				}
				content.push(char); //inserts character at-a-time (or string)
			} while (char !== '>');

			var tag_complete = content.join('');
			var tag_index;
			if (tag_complete.indexOf(' ') != -1) { //if there's whitespace, thats where the tag name ends
				tag_index = tag_complete.indexOf(' ');
			}
			else { //otherwise go with the tag ending
				tag_index = tag_complete.indexOf('>');
			}
			var tag_check = tag_complete.substring(1, tag_index).toLowerCase();
			if (tag_complete.charAt(tag_complete.length-2) === '/' ||
					this.Utils.in_array(tag_check, this.Utils.single_token)) { //if this tag name is a single tag type (either in the list or has a closing /)
				this.tag_type = 'SINGLE';
			}
			else if (tag_check === 'script') { //for later script handling
				this.record_tag(tag_check);
				this.tag_type = 'SCRIPT';
			}
			else if (tag_check === 'style') { //for future style handling (for now it justs uses get_content)
				this.record_tag(tag_check);
				this.tag_type = 'STYLE';
			}
			else if (tag_check.charAt(0) === '!') { //peek for <!-- comment
				if (tag_check.indexOf('[if') != -1) { //peek for <!--[if conditional comment
					if (tag_complete.indexOf('!IE') != -1) { //this type needs a closing --> so...
						var comment = this.get_unformatted('-->', tag_complete); //...delegate to get_unformatted
						content.push(comment);
					}
					this.tag_type = 'START';
				}
				else if (tag_check.indexOf('[endif') != -1) {//peek for <!--[endif end conditional comment
					this.tag_type = 'END';
					this.unindent();
				}
				else if (tag_check.indexOf('[cdata[') != -1) { //if it's a <[cdata[ comment...
					var comment = this.get_unformatted(']]>', tag_complete); //...delegate to get_unformatted function
					content.push(comment);
					this.tag_type = 'SINGLE'; //<![CDATA[ comments are treated like single tags
				}
				else {
					var comment = this.get_unformatted('-->', tag_complete);
					content.push(comment);
					this.tag_type = 'SINGLE';
				}
			}
			else {
				if (tag_check.charAt(0) === '/') { //this tag is a double tag so check for tag-ending
					this.retrieve_tag(tag_check.substring(1)); //remove it and all ancestors
					this.tag_type = 'END';
				}
				else { //otherwise it's a start-tag
					this.record_tag(tag_check); //push it on the tag stack
					this.tag_type = 'START';
				}
				if (this.Utils.in_array(tag_check, this.Utils.extra_liners)) { //check if this double needs an extra line
					this.print_newline(true, this.output);
				}
			}
			return content.join(''); //returns fully formatted tag
		}

		this.get_unformatted = function (delimiter, orig_tag) { //function to return unformatted content in its entirety

			if (orig_tag && orig_tag.indexOf(delimiter) != -1) {
				return '';
			}
			var char = '';
			var content = '';
			var space = true;
			do {


				char = this.input.charAt(this.pos);
				this.pos++

				if (this.Utils.in_array(char, this.Utils.whitespace)) {
					if (!space) {
						this.line_char_count--;
						continue;
					}
					if (char === '\n' || char === '\r') {
						content += '\n';
						for (var i=0; i<this.indent_level; i++) {
							content += this.indent_string;
						}
						space = false; //...and make sure other indentation is erased
						this.line_char_count = 0;
						continue;
					}
				}
				content += char;
				this.line_char_count++;
				space = true;


			} while (content.indexOf(delimiter) == -1);
			return content;
		}

		this.get_token = function () { //initial handler for token-retrieval
			var token;

			if (this.last_token === 'TK_TAG_SCRIPT') { //check if we need to format javascript
				var temp_token = this.get_script();
				if (typeof temp_token !== 'string') {
					return temp_token;
				}
				token = js_beautify(temp_token, this.indent_size, this.indent_character, this.indent_level); //call the JS Beautifier
				return [token, 'TK_CONTENT'];
			}
			if (this.current_mode === 'CONTENT') {
				token = this.get_content();
				if (typeof token !== 'string') {
					return token;
				}
				else {
					return [token, 'TK_CONTENT'];
				}
			}

			if(this.current_mode === 'TAG') {
				token = this.get_tag();
				if (typeof token !== 'string') {
					return token;
				}
				else {
					var tag_name_type = 'TK_TAG_' + this.tag_type;
					return [token, tag_name_type];
				}
			}
		}

		this.printer = function (js_source, indent_character, indent_size, max_char) { //handles input/output and some other printing functions

			this.input = js_source || ''; //gets the input for the Parser
			this.output = [];
			this.indent_character = indent_character || ' ';
			this.indent_string = '';
			this.indent_size = indent_size || 2;
			this.indent_level = 0;
			this.max_char = max_char || 7000; //maximum amount of characters per line
			this.line_char_count = 0; //count to see if max_char was exceeded

			for (var i=0; i<this.indent_size; i++) {
				this.indent_string += this.indent_character;
			}

			this.print_newline = function (ignore, arr) {
				this.line_char_count = 0;
				if (!arr || !arr.length) {
					return;
				}
				if (!ignore) { //we might want the extra line
					while (this.Utils.in_array(arr[arr.length-1], this.Utils.whitespace)) {
						arr.pop();
					}
				}
				arr.push('\n');
				for (var i=0; i<this.indent_level; i++) {
					arr.push(this.indent_string);
				}
			}


			this.print_token = function (text) {
				this.output.push(text);
			}

			this.indent = function () {
				this.indent_level++;
			}

			this.unindent = function () {
				if (this.indent_level > 0) {
					this.indent_level--;
				}
			}
		}
		return this;
	}

	/*_____________________--------------------_____________________*/



	multi_parser = new Parser(); //wrapping functions Parser
	multi_parser.printer(html_source, indent_character, indent_size); //initialize starting values



	var f = true;
	while (true) {
		var t = multi_parser.get_token();
		multi_parser.token_text = t[0];
		multi_parser.token_type = t[1];

		if (multi_parser.token_type === 'TK_EOF') {
			break;
		}

		switch (multi_parser.token_type) {
		case 'TK_TAG_START': case 'TK_TAG_SCRIPT': case 'TK_TAG_STYLE':
			multi_parser.print_newline(false, multi_parser.output);
			multi_parser.print_token(multi_parser.token_text);
			multi_parser.indent();
			multi_parser.current_mode = 'CONTENT';
			break;
		case 'TK_TAG_END':
			if (f)
				multi_parser.print_newline(true, multi_parser.output);
			multi_parser.print_token(multi_parser.token_text);
			multi_parser.current_mode = 'CONTENT';
			f = true;
			break;
		case 'TK_TAG_SINGLE':
			multi_parser.print_newline(false, multi_parser.output);
			multi_parser.print_token(multi_parser.token_text);
			multi_parser.current_mode = 'CONTENT';
			break;
		case 'TK_CONTENT':
			if (multi_parser.token_text !== '') {
				f = false;
				//multi_parser.print_newline(false, multi_parser.output);
				multi_parser.print_token(multi_parser.token_text);
			}
			multi_parser.current_mode = 'TAG';
			break;
		}
		multi_parser.last_token = multi_parser.token_type;
		multi_parser.last_text = multi_parser.token_text;
	}
	return multi_parser.output.join('');
}